:root{--bg:#0b1120;--panel:#131c2e;--panel-2:#1b2740;--border:#24314d;--fg:#e2e8f0;--muted:#8595ad;--accent:#22c55e;--accent-2:#38bdf8;--danger:#f87171;--warn:#fbbf24}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--fg);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px}a{color:var(--accent-2);text-decoration:none}a:hover{text-decoration:underline}.layout{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--panel);border-right:1px solid var(--border);padding:1.5rem 1rem;flex-shrink:0}.brand{font-size:1.3rem;font-weight:700;margin-bottom:1.5rem}.brand span{color:var(--accent)}.nav a{display:block;padding:.55rem .75rem;border-radius:8px;color:var(--fg);margin-bottom:.25rem}.nav a:hover{background:var(--panel-2);text-decoration:none}.content{flex:1 1;padding:2rem 2.5rem;max-width:1100px}h1{margin:0 0 .35rem;font-size:1.6rem}h2{font-size:1.15rem;margin:1.75rem 0 .75rem}.subtitle{color:var(--muted);margin:0 0 1.5rem}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:1rem;gap:1rem}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:1.1rem 1.25rem}.card .value{font-size:2rem;font-weight:700}.card .label{color:var(--muted);font-size:.85rem}table{width:100%;border-collapse:collapse;margin-top:.5rem}td,th{text-align:left;padding:.6rem .75rem;border-bottom:1px solid var(--border);font-size:.9rem}th{color:var(--muted)}.badge,th{font-weight:600}.badge{display:inline-block;padding:.15rem .6rem;border-radius:999px;font-size:.75rem;border:1px solid var(--border)}.badge.ACTIVE,.badge.CONNECTED,.badge.DELIVERED,.badge.READ,.badge.SENT{color:var(--accent);border-color:var(--accent)}.badge.PENDING,.badge.QR_PENDING,.badge.QUEUED{color:var(--warn);border-color:var(--warn)}.badge.BANNED,.badge.DISCONNECTED,.badge.FAILED,.badge.SUSPENDED{color:var(--danger);border-color:var(--danger)}.badge.INBOUND,.badge.RECEIVED{color:var(--accent-2);border-color:var(--accent-2)}.btn{background:var(--accent);color:#04210f;border:none;padding:.5rem 1rem;border-radius:8px;font-weight:600;cursor:pointer;font-size:.9rem}.btn:hover{filter:brightness(1.08)}.btn.secondary{background:var(--panel-2);color:var(--fg);border:1px solid var(--border)}.btn.danger{background:transparent;color:var(--danger);border:1px solid var(--danger)}input,select{background:var(--panel-2);border:1px solid var(--border);color:var(--fg);padding:.5rem .7rem;border-radius:8px;font-size:.9rem}.row{display:flex;gap:.6rem;align-items:center;flex-wrap:wrap}.panel{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:1.25rem}.muted{color:var(--muted)}.warnbox{background:#3b2f0b;border:1px solid var(--warn);color:#fde68a;padding:.75rem 1rem;border-radius:8px}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.85rem;word-break:break-all}.qr-img{background:#fff;padding:12px;border-radius:12px;width:280px;height:280px}